US Bridges

US Route 1 over Stony Brook

Good

New London County, Connecticut · 2.2 MI E of Route 161 · Structure no. 01903

Built
2013
12 years old
Condition
Good
inspected June 2024
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Stony Brook is a concrete frame carrying US Route 1 over Stony Brook in New London County, Connecticut. It was built in 2013, so it is 12 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,200 vehicles a day, roughly 3% of them trucks, projected to reach 16,642 by 2043. The structure is 32 ft (9.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Route 1
CrossesStony Brook
Location2.2 MI E of Route 161
RouteU.S. Route 1
Coordinates41.35956, -72.17536
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic16,642 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 1 over Stony Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is US Route 1 over Stony Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does US Route 1 over Stony Brook carry?

About 11,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US Route 1 over Stony Brook?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 49 ft wide.

Who owns US Route 1 over Stony Brook?

It is owned by the State Highway Agency.